生物制品板块8月7日跌1.65%，康弘药业领跌，主力资金净流出11.75亿元

Group 1 - The biopharmaceutical sector experienced a decline of 1.65% on August 7, with Kanghong Pharmaceutical leading the drop [1] - The Shanghai Composite Index closed at 3639.67, up 0.16%, while the Shenzhen Component Index closed at 11157.94, down 0.18% [1] - Major stocks in the biopharmaceutical sector showed varied performance, with WoBio rising by 2.09% and Kanghong Pharmaceutical falling by 7.00% [2] Group 2 - The net outflow of main funds from the biopharmaceutical sector was 1.175 billion yuan, while retail investors saw a net inflow of 935 million yuan [2] - The table of fund flows indicates that Kanghua Biotech had a net inflow of 9.073 million yuan from main funds, while ST Weiming saw a significant net outflow from retail investors [3] - The overall trading volume in the biopharmaceutical sector was substantial, with Kanghong Pharmaceutical recording a trading volume of 141,300 shares and a transaction amount of 615 million yuan [2]